The ICOM IC-T70A-HD is a rugged workhorse radio, dust protection and water-resistance equivalent to IP54 provides reliable operation for practical outdoor operation. Long lasting battery life: get 5 Watt of power on VHF and UHF in a small lightweight package, the lighter BP-265 Li-Ion battery pushes operation to 13.5 hours with auto power save ON, and an optional AA alkaline battery case is ideal for long storage or quick back-up. Loud audio: The ICT70A uses a BTL, bridge-tied load, amplifier that doubles the audio output. The 36mm large speaker delivers 700mW of loud and intelligible audio. 250 regular memories: with a maximum of 26 memory banks (and up to 100 channels per bank) you can pick and choose the desired banks for scanning. Internal VOX function: the transceiver has an internal voice operated transmit function for convenient handsfree operation when used with a compatible optional headset and plug adapter cable. Also, the VOX level and delay time are adjustable. IC-T70A HD other features : Power save function. SMA type antenna connector. Automatic repeater function. 1750Hz tone for repeater access. TOT (time out timer) setting. Repeater lockout and busy channel lockout. PC programmable with optional CS-T70 software. Transceiver-to-transceiver cloning with optional cable and software. Direct keypad frequency entry. 16 DTMF autodial memories. Auto power off. LCD backlight.